If you look at the ingredients for Alka-Seltzer, you will find that it contains citric acid and sodium bicarbonate (baking soda). When you drop the tablet in water, the acid and the baking soda react -- this produces the fizz.
Shake and Bake A new and increasingly widespread technique also known as one pot, this condenses the anhydrous method's many steps and requires only a plastic soda bottle, the size of which depends on the quantity of meth the cook intends to make.
There are 40 calories in 1 serving (0.4 oz) of Shake 'n Bake (Kraft) Original Chicken Seasoned Coating Mix. You'd need to walk 10 minutes to burn 40 calories. Visit CalorieKing to see calorie count and nutrient data for all portion sizes.